The Urgent Need for "Smart Urban Transport" to Combat Climate Change in the People's Republic of China Read more about The Urgent Need for "Smart Urban Transport" to Combat Climate Change in the People's Republic of China The People’s Republic of China (PRC) is the second largest oil consumer in the world. Its vehicles account for 30 percent of its total oil consumption, and this is projected to increase to 57 percent by 2020. Transport makes up 14 percent of carbon dioxide (CO2) emissions in the world, and heavily contributes to climate change.